MAINT: update leading comments with license and url

Author: eigenfoo

ftdetect/stan.vim

@@ -1,7 +1,9 @@
 " Filetype detection file for the Stan probabilistic programming language
 " Language: Stan (http://mc-stan.org)
 " Maintainer: George Ho (https://eigenfoo.xyz)
-" Last Change: November 8, 2019
+" Last Change: November 10, 2019
 " Filenames: *.stan
+" License: MIT License
+" URL: https://github.com/eigenfoo/stan-vim
 
 autocmd BufNewFile,BufRead *.stan set filetype=stan

ftplugin/stan/folding.vim

@@ -1,8 +1,10 @@
 " Folding file for the Stan probabilistic programming language
 " Language: Stan (http://mc-stan.org)
 " Maintainer: George Ho (https://eigenfoo.xyz)
-" Last Change: November 8, 2019
+" Last Change: November 10, 2019
 " Filenames: *.stan
+" License: MIT License
+" URL: https://github.com/eigenfoo/stan-vim
 
 setlocal foldlevel=99
 setlocal foldmethod=indent

indent/stan.vim

@@ -1,8 +1,10 @@
 " Indentation file for the Stan probabilistic programming language
 " Language: Stan (http://mc-stan.org)
 " Maintainer: George Ho (https://eigenfoo.xyz)
-" Last Change: November 8, 2019
+" Last Change: November 10, 2019
 " Filenames: *.stan
+" License: MIT License
+" URL: https://github.com/eigenfoo/stan-vim
 
 "" Only load this indent file when no other was loaded.
 if exists('b:did_indent')

syntax/stan.vim

@@ -1,8 +1,10 @@
 " Syntax file for the Stan probabilistic programming language
 " Language: Stan (http://mc-stan.org)
 " Maintainer: George Ho (https://eigenfoo.xyz)
-" Last Change: November 8, 2019
+" Last Change: November 10, 2019
 " Filenames: *.stan
+" License: MIT License
+" URL: https://github.com/eigenfoo/stan-vim
 
 if exists("b:current_syntax")
   finish